Version 2.0
Homework Assignment Three
Linear Regression
Each question is worth 1.6667 points.
The personnel director for a local manufacturing firm has received complaints from the
employees in a certain shop regarding what they perceive to be inequities
1. Please calculate each binomial probability
a. Fewer than 4 successes in 12 trials with a 10 percent chance of success.
n =12, p = 0.1 and q = 0.9.
P(X < 4 ) = P(X 3) = P(r = 0)+ P(r = 1) +P(r = 2)+ P(r = 3) = .97435
P(r ) =
n!
p r q nr
r!(n r )!
12!
0.
The head of the chemistry department at a local university has tasked a student teaching
assistant to prepare a variety of statistics pertaining to the final course grades earned by
students who have completed the universitys CHEM 103 course during the pa
Week Three Homework Assignment - Linear Regression
The personnel director for a local manufacturing firm has received complaints from the
employees in a certain shop regarding what they perceive to be inequities in the annual
salary for employees who have
1. Please calculate each binomial probability
a. Fewer than 4 successes in 12 trials with a 10 percent chance of success.
P(X < 4 ) = P(X 3) = .9744
b. At least 3 successes in 7 trials with a 40 percent chance of success.
P(X 3) = 1 P(X 2) = .5801
c. At m
Week Three Homework Assignment - Linear Regression
The personnel director for a local manufacturing firm has received complaints from the
employees in a certain shop regarding what they perceive to be inequities in the annual
salary for employees who have
1. Optimum Investments manages funds for clients. Optimum has been authorized to
invest up to $25 million for a client in two investment funds: a stock fund and a bond
fund. Each unit of the stock fund costs $60 and provides an annual rate of return of
7.
2016 Budget
[Company Name]
INCOME
Actual
Budget
Difference
Operating Income
Category 1
Category 2
Category 3
Category 4
Other
Total Operating Income
Non-Operating Income
Interest Income
Rental Income
Gifts Received
Donations
Other
Total Non-Operating Inco
Week 3 Homework Assignment - Chapter Three (six problems)
Due: 01/29 by noon
#1
Sales of industrial vacuum cleaners at R. Lowenthal Supply Co. over the past 14 months are as
follows:
SALES ($1,000s)
32
26
27
28
29
33
23
28
34
25
28
35
32
27
MONTH
January
Week 4 Homework Assignment Chapter Ten (5 problems)
Due: 02/05 by noon
#1
To set control limits that include 99.7% of sample means (Z = 3), twenty-five engine mountings
are sampled each day and found to have an average width of 2.5 inches, with a standard
C
Activity t
E
G
I
StartA
B
D
F
H
C
E
G
Activity t
I
B
StartA[3]
D
F
H
C
6
E
G
Activity t
I
B
D
StartA[]
F
H
J
J
J
ES
ACTIVITY
A
B
C
1
2
3
4
5
1
2
3
4
5
TOTAL
WEEKLY
COST
TOTALTO
DATE
LS
6)
ACTIVITY
A
B
C
TOTAL
WEEKLY
COST
TOTALTO
DATE
6
7
8
9
10
11
12
6
W-2s
Enter your name on Form 1040
Employer #1
Employer #2
Wages, tips, other compensation
Federal income tax withheld
Social security wages
Social security tax withheld
Medicare wages and tips
Medicare tax withheld
Social Security Tips
Allocated Tips
Adva
Yellow highlighted cells represent data values provided in the problem. Change the value in yellow highlighted cells to
Blue highlighted cells contain formulas that calcuate certain values based upon the provided parameters. Do not alter
Activity
Optimist
Change the value in yellow highlighted cells to observe how changing the parameter affects the calculated values.
Blue highlighted cells contain formulas that calcuate certain values based upon the provided parameters. Do not alte
Variables
l
m
k
m
M/M/1
The form versus function debate applies in many arenas, including marketing.
Some marketers believe that product performance is the end all and be all. Other
marketers maintain that the looks, feel, and other design elements of products are
what really ma
Assignment Three - Chapter Four (six problems)
Due: 11/20
#1
Sales of industrial vacuum cleaners at R. Lowenthal Supply Co. over the past 13 months are as
follows:
SALES ($1,000s)
23
24
27
19
29
33
23
28
34
25
28
31
23
MONTH
January
February
March
April
M
Assignment Four Chapter 6 (five problems)
Due: 04/21
DO NOT round any number, and please keep 2 decimal places.
#1
The Outdoor Furniture Corporation manufactures two products, benches and picnic tables, for
use in yards and parks. The firm has two main re
Chapter 5
Linear Programming Models: Graphical and Computer Methods
5.3 Formulating LP Problems
Maximization Problem
Example 1:
A company produces two products, A and B, and they are produced by plant Q, plant R,
and plant S. The production time available
Regression Statistics
Multiple R
0.9363272429
R Square
0.8767087058
Adjusted R Square
0.8664344313
Standard Error
17.751890388
Observations
14
ANOVA
df
Regression
Residual
Total
Bedroom
0.876708706
-4.194118779
0.301433595
high r squared is better
coeffic
Homework = Project Management
Assume that the project in this problem has the following activity times (in days).
Activit
y
Time
A
B
C
D
E
F
G
H
I
8
11
9
13
17
21
15
12
22
a. From the following project network, determine ES, EF, LS, and LF for each
activi
SWC Football Games
Group 3
Bruce
Perdue
Carla Banks
Freddie Clark
Monali Shah
Toni Roberts
Younnie Mayson
June 6th, 2011
Background
Southwestern University (SWU) is located in
Stephenville, Texas.
Enrolls close to 20,000 students.
There are more students
Case Study: North-South Airline
Group 2
Sarah Mitchell
Francis Nardo
Robert Nayden
Alex Montano
February 8th, 2011
Background
January 2008: Northern Airlines merged with
Southeast Airlines
Merger created the 4th largest U.S. carrier
NORTH-SOUTH AIRLINE
Homework 5 - Solutions
Due: 10/15/11
7-16
7-17
There are two critical paths: ACG and BEG. Project completion time is 19 weeks.
7-18
40 , 2 9 , 3
40 40
a. P ( X 40) P Z
P ( Z 0 ) 0 .5
3
40 40
b. P ( X 40) P Z
P ( Z 0 ) 1 0 .5 0 .5
3
46 40
c. P (
Assignment 1 Answer Key
Due: 09/14/2011
1-18
Exercise No Exercise Total
Cold
45
155
200
No Cold
455
345
800
Total
500
500
1000
a. The probability that an employee will have a cold next year is
P(C) = Number of people who had cold / Total number of employe
2 Perform a simple linear regression with a 95% confidence using college freshman GPA as the dependent variable
SUMMARY OUTPUT
Regression Statistics
Multiple R 0.657856
R Square 0.432775
Adjusted R 0.417444
Standard E 0.319358
Observatio
39
ANOVA
df
Regre
Q.1 Working rate (Cars/hour)
Arrival rate (Cars/hour)
12
6
0.5
a) Utilization Factor= Demand rate/Working rate
Utilization Factor
50%
b) Idle time = Available time - Working time
Available time (hours)
24
Working time = Utilization factor * working
Workin
T = Number of tables to produce
C = Number of chairs to produce
Wood
Fabrication labor
Assembly labor
Finishing labor
Packaging labor
Optimal number to produce
Unit Profit
Table
8.0
25.0
8.0
10.5
3.0
Chair
2.5
12.0
5.0
8.0
1.5
Tables
120.00
$300
Chairs
0.
A meat wholesale company produces pre-packaged hamburger for distribution to 23 local supermarkets affiliated with a major
prepares 5,000 packages of hamburger each day using an automated packaging machine that is calibrated to automatically p
pound (i.e.